Biogen Inc. (BIIB)

US — Healthcare Sector
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News

Biogen to Acquire Apellis for $5.6B to Strengthen Immunology Portfolio
APLS, BIIB
Published: April 01, 2026 by: Zacks Investment Research
Sentiment: Positive

BIIB's $5.6B offer to acquire APLS is set to add two key immunology drugs, boosting near-term revenues and strengthening its push into high-growth rare disease markets.

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image for news Biogen to Acquire Apellis for $5.6B to Strengthen Immunology Portfolio
Biogen Inc. (BIIB) Discusses Proposed Acquisition of Apellis and Strategic Growth Objectives Transcript
BIIB
Published: March 31, 2026 by: Seeking Alpha
Sentiment: Neutral

Biogen Inc. (BIIB) Discusses Proposed Acquisition of Apellis and Strategic Growth Objectives Transcript

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image for news Biogen Inc. (BIIB) Discusses Proposed Acquisition of Apellis and Strategic Growth Objectives Transcript
Biogen to acquire Apellis Pharmaceuticals for $5.6B, adding C3 therapies to portfolio
APLS, BIIB
Published: March 31, 2026 by: Proactive Investors
Sentiment: Positive

Biogen Inc (NASDAQ:BIIB, XETRA:IDP) will acquire Apellis Pharmaceuticals Inc (NASDAQ:APLS) for $41 per share in cash, in a deal valued at approximately $5.6 billion, it was announced on Tuesday. Apellis shareholders will also receive a nontransferable contingent value right (CVR) worth up to $4 per share if certain global sales milestones for SYFOVRE are achieved.

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image for news Biogen to acquire Apellis Pharmaceuticals for $5.6B, adding C3 therapies to portfolio
Biogen Secures FDA Nod for Higher Dose of SMA Drug Spinraza
BIIB
Published: March 31, 2026 by: Zacks Investment Research
Sentiment: Positive

BIIB gains after the FDA clears higher-dose Spinraza, with data showing improved motor function and potential to counter rising SMA competition.

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image for news Biogen Secures FDA Nod for Higher Dose of SMA Drug Spinraza
Biogen Stock Pops After FDA Approves New High-Dose Spinraza For Spinal Muscular Atrophy
BIIB
Published: March 30, 2026 by: Benzinga
Sentiment: Positive

• Biogen stock is moving in positive territory. Why is BIIB stock advancing?

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image for news Biogen Stock Pops After FDA Approves New High-Dose Spinraza For Spinal Muscular Atrophy
Biogen high-dose Spinraza approval seen supporting long-term growth
BIIB
Published: March 30, 2026 by: Proactive Investors
Sentiment: Positive

The US Food and Drug Administration has approved a higher-dose version of Spinraza, a key therapy from Biogen Inc (NASDAQ:BIIB, XETRA:IDP) for spinal muscular atrophy (SMA), a move analysts at Jefferies say could help sustain the company's long-standing position in the rare disease market. According to the analysts, the decision was largely anticipated by investors despite earlier regulatory delays tied to manufacturing issues described as “benign.

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image for news Biogen high-dose Spinraza approval seen supporting long-term growth
Here's Why Biogen Inc. (BIIB) is a Strong Value Stock
BIIB
Published: March 27, 2026 by: Zacks Investment Research
Sentiment: Positive

Whether you're a value, growth, or momentum investor, finding strong stocks becomes easier with the Zacks Style Scores, a top feature of the Zacks Premium research service.

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image for news Here's Why Biogen Inc. (BIIB) is a Strong Value Stock
Results from Real-World, Long-Term Treatment Persistence with LEQEMBI® (lecanemab-irmb) in the United States Presented at AD/PD™ 2026
BIIB
Published: March 20, 2026 by: GlobeNewsWire
Sentiment: Neutral

Real-World LEQEMBI Data Shows Patients Choose to Stay on Long-Term Treatment Real-World LEQEMBI Data Shows Patients Choose to Stay on Long-Term Treatment

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image for news Results from Real-World, Long-Term Treatment Persistence with LEQEMBI® (lecanemab-irmb) in the United States Presented at AD/PD™ 2026
Biogen Inc. (BIIB) Presents at Stifel 2026 Virtual CNS Forum Transcript
BIIB
Published: March 18, 2026 by: Seeking Alpha
Sentiment: Neutral

Biogen Inc. (BIIB) Presents at Stifel 2026 Virtual CNS Forum Transcript

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image for news Biogen Inc. (BIIB) Presents at Stifel 2026 Virtual CNS Forum Transcript
Biogen Inc. (BIIB) Presents at TD Cowen 46th Annual Health Care Conference Transcript
BIIB
Published: March 02, 2026 by: Seeking Alpha
Sentiment: Neutral

Biogen Inc. (BIIB) Presents at TD Cowen 46th Annual Health Care Conference Transcript

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image for news Biogen Inc. (BIIB) Presents at TD Cowen 46th Annual Health Care Conference Transcript
Why Biogen Inc. (BIIB) is a Top Value Stock for the Long-Term
BIIB
Published: February 19, 2026 by: Zacks Investment Research
Sentiment: Positive

The Zacks Style Scores offers investors a way to easily find top-rated stocks based on their investing style. Here's why you should take advantage.

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image for news Why Biogen Inc. (BIIB) is a Top Value Stock for the Long-Term
Biogen Inc. (BIIB) Presents at Piper Sandler Virtual Novel Targets in Immunology Symposium Transcript
BIIB
Published: February 13, 2026 by: Seeking Alpha
Sentiment: Neutral

Biogen Inc. (BIIB) Presents at Piper Sandler Virtual Novel Targets in Immunology Symposium Transcript

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image for news Biogen Inc. (BIIB) Presents at Piper Sandler Virtual Novel Targets in Immunology Symposium Transcript
Biogen Inc. (BIIB) Q4 2025 Earnings Call Transcript
BIIB
Published: February 06, 2026 by: Seeking Alpha
Sentiment: Neutral

Biogen Inc. (BIIB) Q4 2025 Earnings Call Transcript

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image for news Biogen Inc. (BIIB) Q4 2025 Earnings Call Transcript
BIIB Beats on Q4 Earnings & Sales, Stock Gains on Upbeat '26 EPS View
BIIB
Published: February 06, 2026 by: Zacks Investment Research
Sentiment: Positive

Biogen tops Q4 earnings and sales estimates, and shares rise after the company issues an encouraging 2026 adjusted EPS outlook despite revenue pressure.

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image for news BIIB Beats on Q4 Earnings & Sales, Stock Gains on Upbeat '26 EPS View
Biogen (BIIB) Q4 Earnings: Taking a Look at Key Metrics Versus Estimates
BIIB
Published: February 06, 2026 by: Zacks Investment Research
Sentiment: Positive

The headline numbers for Biogen (BIIB) give insight into how the company performed in the quarter ended December 2025, but it may be worthwhile to compare some of its key metrics to Wall Street estimates and the year-ago actuals.

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image for news Biogen (BIIB) Q4 Earnings: Taking a Look at Key Metrics Versus Estimates
These Are The Worst 25 Stocks to Own in February
BIIB
Published: February 03, 2026 by: Schaeffers Research
Sentiment: Negative

It's been an interesting start to the year, with plenty of geopolitical developments for investors to unpack.

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image for news These Are The Worst 25 Stocks to Own in February
New Drugs Take Center Stage as Biogen Heads Into Q4 Earnings
BIIB
Published: February 03, 2026 by: Zacks Investment Research
Sentiment: Neutral

Biogen heads into Q4 earnings with MS drug pressure, while Leqembi and Skyclarys' growth could help offset declines ahead of its Feb. 6 report.

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image for news New Drugs Take Center Stage as Biogen Heads Into Q4 Earnings
Analysts Estimate Biogen Inc. (BIIB) to Report a Decline in Earnings: What to Look Out for
BIIB
Published: January 30, 2026 by: Zacks Investment Research
Sentiment: Negative

Biogen (BIIB) doesn't possess the right combination of the two key ingredients for a likely earnings beat in its upcoming report. Get prepared with the key expectations.

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image for news Analysts Estimate Biogen Inc. (BIIB) to Report a Decline in Earnings: What to Look Out for
Biogen's Autoimmune Disease Candidate Gets FDA's Breakthrough Status
BIIB
Published: January 29, 2026 by: Zacks Investment Research
Sentiment: Positive

BIIB secures FDA's Breakthrough Therapy status for litifilimab in cutaneous lupus, backed by phase II results, while advancing phase III and broader lupus studies.

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image for news Biogen's Autoimmune Disease Candidate Gets FDA's Breakthrough Status
Biogen Receives European Commission Approval for High Dose Regimen of SPINRAZA® (nusinersen) for Spinal Muscular Atrophy
BIIB
Published: January 12, 2026 by: GlobeNewsWire
Sentiment: Neutral

CAMBRIDGE, Mass., Jan. 12, 2026 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) today announced the European Commission (EC) has granted marketing authorization for a high dose regimen of SPINRAZA® (nusinersen) which is comprised of 50 mg/5 mL and 28 mg/5 mL doses for the treatment of 5q spinal muscular atrophy (SMA). 5q SMA is the most common form of the disease and represents approximately 95% of all SMA cases.2 The SPINRAZA European Union marketing authorization has been updated to include the high dose regimen. The new high dose regimen comprises a more rapid loading phase, two 50 mg loading doses …

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image for news Biogen Receives European Commission Approval for High Dose Regimen of SPINRAZA® (nusinersen) for Spinal Muscular Atrophy
Biogen: Competing With Eli Lilly's Kisunla, Safety Gives Market Edge
BIIB
Published: December 30, 2025 by: Seeking Alpha
Sentiment: Positive

Biogen Inc. shares, despite retail investor pessimism, rose 15.1% in 2025. Besides the successful launch of Leqembi, I highlight Skyclarys, an Nrf2 activator for the treatment of Friedreich's ataxia, as a driver of Biogen's EBIT growth. Its sales totaled $132.9 million in Q3, up 29.9% year-over-year.

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image for news Biogen: Competing With Eli Lilly's Kisunla, Safety Gives Market Edge
The Journal of the American Medical Association (JAMA) Neurology Publishes Long Term Results from the QALSODY Phase 3 VALOR Study and its Open-Label Extension in SOD1-ALS
BIIB
Published: December 22, 2025 by: GlobeNewsWire
Sentiment: Neutral

CAMBRIDGE, Mass., Dec. 22, 2025 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) – today announced that The Journal of the American Medical Association (JAMA) Neurology has published final results from the completed Phase 3 VALOR study and its open-label extension (OLE) study evaluating QALSODY® (tofersen) for the treatment of superoxide dismutase 1 (SOD1) amyotrophic lateral sclerosis (ALS) with over 3.5 years of follow-up. These results show that early initiation of QALSODY was associated with numerically slower decline in measures of clinical function, breathing and strength, as well as reduction in the risk of death or permanent ventilation. Sustained reductions in …

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image for news The Journal of the American Medical Association (JAMA) Neurology Publishes Long Term Results from the QALSODY Phase 3 VALOR Study and its Open-Label Extension in SOD1-ALS
Stoke Therapeutics and Biogen Present Data that Further Support the Disease-Modifying Potential of Zorevunersen, an Investigational Medicine for the Treatment of Dravet Syndrome, at the 2025 American Epilepsy Society (AES) Annual Meeting
BIIB, STOK
Published: December 05, 2025 by: Business Wire
Sentiment: Neutral

BEDFORD, Mass. & CAMBRIDGE, Mass.--(BUSINESS WIRE)--Stoke Therapeutics, Inc. (Nasdaq: STOK), a biotechnology company dedicated to restoring protein expression by harnessing the body's potential with RNA medicine, and Biogen Inc. (Nasdaq: BIIB) today announced data presentations that further support the potential of zorevunersen, an investigational antisense oligonucleotide, as a disease-modifying medicine for Dravet syndrome. These data were presented at the 2025 American Epilepsy Society (AES).

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image for news Stoke Therapeutics and Biogen Present Data that Further Support the Disease-Modifying Potential of Zorevunersen, an Investigational Medicine for the Treatment of Dravet Syndrome, at the 2025 American Epilepsy Society (AES) Annual Meeting
Biogen and Stoke Therapeutics Present Data that Further Support the Disease-Modifying Potential of Zorevunersen, an Investigational Medicine for the Treatment of Dravet Syndrome, at the 2025 American Epilepsy Society (AES) Annual Meeting
BIIB
Published: December 05, 2025 by: GlobeNewsWire
Sentiment: Neutral

—Long-term Phase 1/2a and open label extension (OLE) data for zorevunersen on top of standard of care anti-seizure medicines (ASMs) demonstrate durable seizure reductions, including increases in seizure-free days, in addition to improvements in cognition, behavior and quality of life—

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image for news Biogen and Stoke Therapeutics Present Data that Further Support the Disease-Modifying Potential of Zorevunersen, an Investigational Medicine for the Treatment of Dravet Syndrome, at the 2025 American Epilepsy Society (AES) Annual Meeting
Biogen Inc. (BIIB) Presents at Piper Sandler 37th Annual Healthcare Conference Transcript
BIIB
Published: December 03, 2025 by: Seeking Alpha
Sentiment: Neutral

Biogen Inc. (BIIB) Presents at Piper Sandler 37th Annual Healthcare Conference Transcript

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image for news Biogen Inc. (BIIB) Presents at Piper Sandler 37th Annual Healthcare Conference Transcript
Biogen Inc. (BIIB) Presents at Evercore 8th Annual Healthcare Conference Transcript
BIIB
Published: December 02, 2025 by: Seeking Alpha
Sentiment: Neutral

Biogen Inc. (BIIB) Presents at Evercore 8th Annual Healthcare Conference Transcript

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image for news Biogen Inc. (BIIB) Presents at Evercore 8th Annual Healthcare Conference Transcript
Biogen shares could climb on Leqembi uptake – Jefferies
BIIB, JEF
Published: November 28, 2025 by: Proactive Investors
Sentiment: Positive

Biogen Inc (NASDAQ:BIIB, XETRA:IDP) could see its stock move higher over the next two years as progress on its Alzheimer's drug Leqembi and a series of late-stage pipeline readouts draw more investor attention, according to Jefferies. The broker, which rates the stock Buy with a price target of $210, said Leqembi's trajectory in early Alzheimer's disease “could accelerate” if a subcutaneous induction version wins approval in mid-2026, enabling full at-home use.

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image for news Biogen shares could climb on Leqembi uptake – Jefferies
Biogen Inks Research Deal With Dayra to Boost Immunology Pipeline
BIIB
Published: November 25, 2025 by: Zacks Investment Research
Sentiment: Positive

BIIB's research deal with Dayra targets oral macrocyclic peptides to advance its immunology pipeline and expand next-generation therapies.

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image for news Biogen Inks Research Deal With Dayra to Boost Immunology Pipeline
BIIB Beats on Q3 Earnings & Sales, Stock Down on Lowered '25 EPS View
BIIB
Published: October 30, 2025 by: Zacks Investment Research
Sentiment: Neutral

Biogen's Q3 earnings and sales top estimates on strong drug demand, but shares slide after the company cuts its 2025 EPS forecast.

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image for news BIIB Beats on Q3 Earnings & Sales, Stock Down on Lowered '25 EPS View
Biogen (BIIB) Q3 Earnings: Taking a Look at Key Metrics Versus Estimates
BIIB
Published: October 30, 2025 by: Zacks Investment Research
Sentiment: Neutral

While the top- and bottom-line numbers for Biogen (BIIB) give a sense of how the business performed in the quarter ended September 2025, it could be worth looking at how some of its key metrics compare to Wall Street estimates and year-ago values.

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image for news Biogen (BIIB) Q3 Earnings: Taking a Look at Key Metrics Versus Estimates

About Biogen Inc. (BIIB)

  • IPO Date 1991-09-17
  • Website https://www.biogen.com
  • Industry Drug Manufacturers - General
  • CEO Christopher A. Viehbacher
  • Employees 7605

Biogen Inc. discovers, develops, manufactures, and delivers therapies for treating neurological and neurodegenerative diseases. The company offers TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, TYSABRI, and FAMPYRA for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; and FUMADERM to treat plaque psoriasis. It also provides BENEPALI, an etanercept biosimilar referencing ENBREL; ADUHELM for the treatment of Alzheimer's disease; IMRALDI, an adalimumab biosimilar referencing HUMIRA; and FLIXABI, an infliximab biosimilar referencing REMICADE. In addition, the company offers RITUXAN for treating non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis, two forms of ANCA-associated vasculitis, and pemphigus vulgaris; RITUXAN HYCELA for non-Hodgkin's lymphoma and CLL; GAZYVA to treat CLL and follicular lymphoma; and OCREVUS for treating relapsing MS and primary progressive MS; and other anti-CD20 therapies. Further, it develops BIIB135, BIIB061, BIIB091, and BIIB107 for MS and neuroimmunology; Aducanumab, Lecanemab, BIIB076, and BIIB080 to treat Alzheimer's disease and dementia; BIIB067, BIIB078, BIIB105, BIIB100, and BIIB110 to treat neuromuscular disorders; BIIB124, BIIB094, BIIB118, BIIB101, and BIIB122 for treating Parkinson's disease and movement disorders; BIIB125 and BIIB104 for treating neuropsychiatry; Dapirolizumab pegol and BIIB059 to treat immunology related diseases; BIIB093 and BIIB131 to treat acute neurology; BIIB074 for neuropathic pain; and BYOOVIZ, BIIB800, and SB15 biosimilars, which are under various stages of development. The company has collaboration and license agreements with Acorda Therapeutics, Inc.; Alkermes Pharma Ireland Limited; Denali Therapeutics Inc.; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Samsung Bioepis Co., Ltd.; Sangamo Therapeutics, Inc.; and Sage Therapeutics, Inc. Biogen Inc. was founded in 1978 and is headquartered in Cambridge, Massachusetts.